Measurement of SO2 solubility in ionic liquid

Article Abstract:

Measurements of the solubility of sulfur dioxide (SO2) in the ionic liquids 1-n-hexyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide ([hmim][Tf2N]) and 1-n-hexyl-3-methylpyridinium bis(trifluoromethylsulfonyl)imide ([hmpy][Tf2N]) at temperature from 25 to 60 degree Celsius and pressures up to 4 bar, are studied. The measurements indicate that large amounts, up to 85 mol % of SO2 dissolve in ionic liquids by simple physical absorption.

Science & research, Research, Solubility, Properties, Gas laws (Thermodynamics)

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SO2 on TiO2(110) and Ti2O3(1012) nonpolar surfaces: A DFT study

Article Abstract:

Density functional molecular cluster calculations are used to investigate the interaction of SO2 with defect-free TiO2(110) and Ti2O3(1012) surfaces. The results are consistent with the surface oxidation and the formation of strong Ti-O and Ti-S bonds.

Titanium dioxide, Density functionals, Density functional theory

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Desulfurization of SO2 and thiophene on surfaces and nanoparticles of molybdenum carbide: unexpected ligand and steric effects

Article Abstract:

The desulfurization of sulfur dioxide and thiophene on molybdenum carbide surfaces, alpha-Mo2C(001) and alpha-MoC(001), and on a Mo8C12 nanoparticle was studied with density functional theory. The study revealed unexpected ligand and steric effects.

Molybdenum Compounds, Desulfurization, Carbides, Desulfuration

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